OCSI tech stack
OCSI builds mostly with JavaScript, C#, TypeScript, COBOL. Its stack also includes Azure, .NET, Angular, Db2. JavaScript is named in 3 of the 5 job postings OCSI published in the last 12 months (60%). Counted by Alion from the job postings of OCSI, updated Oct 13, 2026.
What programming languages does OCSI use?
JavaScript is named in 60% of job postings at OCSI, followed by C# (40%), TypeScript (40%), COBOL (20%).
What frameworks and libraries does OCSI use?
Angular is named in 40% of job postings at OCSI.
Angular
2 40%
What cloud and platforms does OCSI use?
Azure is named in 60% of job postings at OCSI, followed by .NET (40%), Azure DevOps (40%), Azure AKS (20%).
What developer tools does OCSI use?
Ansible is named in 20% of job postings at OCSI, followed by Chef (20%), Rest API (20%), Terraform (20%).
Which engineering practices does OCSI ask for?
CI/CD is named in 40% of job postings at OCSI.
CI/CD
2 40%
How does your stack fit OCSI?
How is the OCSI stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the OCSI stack?
OCSI scores 71 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the OCSI stack in its industry?
Share of the 6,802 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like OCSI
Questions about the OCSI tech stack
What programming languages does OCSI use?
The languages named in OCSI job postings are JavaScript (60%), C# (40%), TypeScript (40%), COBOL (20%), Node JS (20%), as a share of the 5 postings of the last 12 months.
Does OCSI use Angular?
Yes. Angular is named in 2 of 5 job postings (40%) and required in 2 of them.
What cloud and platforms does OCSI use?
The cloud and platforms named in OCSI job postings are Azure (3), .NET (2), Azure DevOps (2) (postings in brackets).
Is the OCSI tech stack changing?
Yes. CI/CD first appeared in OCSI job postings in the last six months.
How modern is the OCSI tech stack?
OCSI scores 71 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the OCSI tech stack?
Alion reads every job posting OCSI publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 13, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "OCSI tech stack: 17 technologies from 5 job postings", as of Oct 13, 2026. https://alion.io/company/ocsi-2/technologies